Grade 1 Math: Converting Units
A worksheet for first graders to practice converting units of length, weight, and capacity using visual aids and simple comparisons.
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Grade 1 Math: Converting Units
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Read each question carefully and choose the best answer, or fill in the blank to complete the sentence. Remember to think about what unit makes the most sense!
1. Which unit would you use to measure the length of your pencil?
centimeters
meters
kilometers
liters
2. Look at the ruler below. How long is the crayon?

3 cm
5 cm
7 cm
10 cm
3. We use to measure how heavy something is.
4. A large jug of water would be measured in .
5. A small cup of juice would be measured in .
6. A kilogram is heavier than a gram.
True
False
7. There are 100 centimeters in 1 meter.
True
False
8. Would you use a ruler or a measuring tape to measure your classroom? Explain why.